Aim tti tgr series rf signal generators aim tti tgr1040 the tgr1040 is a low cost synthesised rf signal generator with a 10mhz to 1ghz output that incorporates the essential features required for most development test and service work it can be operated using either numeric or rotary controls or can be remotely controlled via either an rs 232 or gpib interface aim tti tgr1040 10mhz to 1000mhz rf signal generator